Magnetic fluid: An extended thermodynamic approach

1991 ◽  
Vol 40 (2) ◽  
pp. 298-306
Author(s):  
Sebastiano Giambò ◽  
Giovanna Valenti
Keyword(s):  
Magnetic Fluid ◽  
Thermodynamic Approach ◽  
Extended Thermodynamic

Extended Thermodynamic Approach to Ion Interaction Chromatography

2001 ◽  
Vol 73 (11) ◽  
pp. 2632-2639 ◽  
Author(s):  
T. Cecchi ◽  
F. Pucciarelli ◽  
P. Passamonti
Keyword(s):  
Thermodynamic Approach ◽  
Extended Thermodynamic

Extended Thermodynamic Approach for Non-Equilibrium Gas Flow

2013 ◽  
Vol 13 (5) ◽  
pp. 1330-1356 ◽  
Author(s):  
G. H. Tang ◽  
G. X. Zhai ◽  
W. Q. Tao ◽  
X. J. Gu ◽  
D. R. Emerson
Keyword(s):  
Heat Transfer ◽  
Equilibrium State ◽  
Gas Flow ◽  
Rarefied Gas ◽  
Flow Characteristics ◽  
Bimodal Distribution ◽  
Thermodynamic Approach ◽  
Navier Stokes ◽  
Extended Thermodynamic ◽  
Non Equilibrium

AbstractGases in microfluidic structures or devices are often in a non-equilibrium state. The conventional thermodynamic models for fluids and heat transfer break down and the Navier-Stokes-Fourier equations are no longer accurate or valid. In this paper, the extended thermodynamic approach is employed to study the rarefied gas flow in microstructures, including the heat transfer between a parallel channel andpressure-driven Poiseuille flows through a parallel microchannel andcircular microtube. The gas flow characteristics are studied and it is shown that the heat transfer in the non-equilibrium state no longer obeys the Fourier gradient transport law. In addition, the bimodal distribution of streamwise and spanwise velocity and temperature through a long circular microtube is captured for the first time.

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